import 'package:flutter/cupertino.dart';
import 'package:flutter/src/foundation/key.dart';
import 'package:flutter/src/widgets/framework.dart';

class TestAPage extends StatefulWidget {
  const TestAPage({Key? key}) : super(key: key);

  @override
  State<TestAPage> createState() => _TestAPageState();
}

class _TestAPageState extends State<TestAPage> {
  @override
  Widget build(BuildContext context) {
    return Center(
      child: Text("页面A"),
    );
    
  }
}